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posted on 20 May 2024
I applied via Naukri.com and was interviewed in Nov 2023. There was 1 interview round.
Query param is used to pass parameters in the URL query string, while path param is used to define parameters in the URL path itself.
Query param is specified after the '?' in the URL, like '?param=value'
Path param is specified in the URL path itself, like '/{param}'
Query params are optional and can be used for filtering or sorting data
Path params are used to define variables in the URL path, like IDs or names
Arrays have fixed size, while ArrayLists can dynamically resize. ArrayLists are part of Java Collections framework.
Arrays have a fixed size, while ArrayLists can dynamically resize.
Arrays can hold primitive data types and objects, while ArrayLists can only hold objects.
Arrays use square brackets [] for declaration, while ArrayLists use angle brackets <>.
Arrays are faster than ArrayLists for accessing elements directly ...
Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.
Abstract class can have constructors, fields, and methods, while interface cannot have any of these.
A class can extend only one abstract class, but can implement multiple interfaces.
Abstract classes are used to provide a common base for subclasses, while interfaces are used to define a contract for classes to ...
I applied via Naukri.com and was interviewed in Apr 2024. There were 2 interview rounds.
Designing a system for IoT machines involves creating a network that allows devices to communicate and share data.
Consider the communication protocols needed for devices to connect and exchange data
Implement security measures to protect data and prevent unauthorized access
Design a scalable architecture to handle a large number of devices and data
Utilize cloud services for storage and processing of IoT data
Include edge ...
Linked list implementation
I applied via Instahyre and was interviewed in Feb 2022. There were 2 interview rounds.
A hackerrank test was shared which had 2 ques to be solved in 60 min in Node.JS. The first one was a simple DS question related to arrays. The second ques was to write routes and controllers for a Node.JS Express app. The routes were GET /projects, GET /project/:id and GET /projects/active
package.json lists dependencies and package-lock.json ensures consistent installs.
package.json lists all the dependencies required for the project
package-lock.json ensures that the same versions of dependencies are installed across all environments
package.json is manually edited while package-lock.json is generated automatically
package-lock.json is used for reproducible builds
Function to count certain functions in the application
Create a dictionary to store the count of each function
Increment the count of the function each time it is called
Include a reset function to reset the count of all functions
Example: def count_functions(): function_count = {}
Example: def function1(): function_count['function1'] += 1
Example: def reset_count(): function_count.clear()
To ensure package versions are taken from package-lock.json, use npm ci instead of npm install.
npm ci installs packages based on package-lock.json
npm install may update package versions in package.json
Always commit package-lock.json to version control
Creating an object with a function inside it.
Create an object using object literal notation
Define a function inside the object using function expression or declaration
Access the function using object.method() syntax
I applied via Naukri.com and was interviewed before Feb 2022. There were 3 interview rounds.
We all do our own work but what if someone needs your help after working hours, will you be able to help or neglect?
Come up with the new ideas while working on the old ones, explain that how you can introduce them gradually in the team and what are the benefits of doing so.
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